#66BBEC#66BBEC

#66BBEC is a light, moderate cyan. Relative luminance 0.444; OKLCH L 75.8% C 0.109 H 235.9°. Best body text is #000000 at 9.88:1 contrast (WCAG AA passes).

Color values

HEX	#66BBEC
RGB	rgb(102, 187, 236)
HSL	hsl(202, 78%, 66%)
HSV	hsv(202, 57%, 93%)
CMYK	cmyk(56.8%, 20.8%, 0%, 7.5%)
CIE-LAB	lab(72.51, -11.92, -32.20)
CIE-LCH	lch(72.51, 34.33, 249.69°)
OKLab	oklab(75.78% -0.0608 -0.0899)
OKLCH	oklch(75.78% 0.109 235.9)
XYZ	xyz(38.3845, 44.4181, 85.8913)
Luminance	0.4442 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66BBEC #EC9766

analogous

#66ECDA #66BBEC #6678EC

triadic

#66BBEC #EC66BB #BBEC66

tetradic

#66BBEC #DA66EC #EC9766 #78EC66

square

#66BBEC #DA66EC #EC9766 #78EC66

split-complementary

#66BBEC #EC6678 #ECDA66

monochromatic

#1882C0 #30A3E5 #66BBEC #9CD3F3 #D3EBFA

Accessibility & contrast

On white

2.12

#66BBEC on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.88

#66BBEC on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66BBEC

9.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66BBEC	#FFFFFF	#000000	##000000
##66BBEC	1.00	2.12	9.88	9.88
#FFFFFF	2.12	1.00	21.00	21.00
#000000	9.88	21.00	1.00	1.00
##000000	9.88	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A4BAEE

Deuteranopia (green-blind)

#91ACEB

Tritanopia (blue-blind)

#00C8CB

Achromatopsia (no color)

#B2B2B2

Design tokens & code

CSS

--color: #66bbec;
/* rgb */ color: rgb(102, 187, 236);
/* oklch */ color: oklch(75.8% 0.109 235.9);

Tailwind

colors: {
  custom: {
    50: '#9bcff2',
    500: '#66bbec',
    950: '#000000',
  },
}

SCSS

$custom: #66bbec;
$custom-light: #9bcff2;
$custom-dark: #000000;

JSON

{
  "hex": "#66bbec",
  "rgb": {
    "r": 102,
    "g": 187,
    "b": 236
  },
  "hsl": {
    "h": 201.94,
    "s": 77.907,
    "l": 66.275
  },
  "oklch": {
    "l": 0.75782,
    "c": 0.10859,
    "h": 235.9
  },
  "luminance": 0.44422
}

Semantic roles & 50–950 ramp

primary

#66BBEC

secondary

#EDD1C1

accent

#570BDA

background

#FAFCFE

surface

#F4F9FD

border

#CED2D5

text

#0F1317

muted

#7F8285

Preview Lab

Preview with #66BBEC

Body copy rendered with the generated semantic roles for this colour.

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